Houdini 21.0.440 issue with macOS

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Hi,

I got excited and installed latest Houdini for my Mac (Sequoia 15.6), but after splash screen I only get message saying if I want to report crash. Anyone else getting similar issue?

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Please submit a bug with your full machine specs: https://www.sidefx.com/bugs/#/create/ [www.sidefx.com]
Edited by edward - Aug. 26, 2025 14:46:19
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Yeah, something went seriously wrong with the license apps. I've had horrid issues with hserver and sesinetd after the update.

Long story short, i've had exactly the same issue. What's more -- even going back to 20.5 builds resulted in the same crash-after-splash-screen, even though it was all running fine the same day.

What worked for me:
- Full uninstall of Houdini and License Server through Houdini Launcher
- Removal of /Library/Preferences/sesi (entire folder)
- Machine restart (for all the daemons to load/unload)

However, I doubt you actually have to perform all of these. The issue seems to be very silly. I went ahead and ran Houdini through macOS terminal, only to notice a bunch of permission issues reported for various files (license included). So... I just ran Houdini from terminal, but as superuser.

If all this sounds completely unfamiliar to you, pretty much just run Terminal from (Applications/Utilities/Terminal.app) and, assuming you have the 21.0.440 installed in default location, just copy-paste and run this:
sudo /Applications/Houdini/Houdini21.0.440/Houdini\ FX\ 21.0.440.app/Contents/MacOS/houdinifx

You will be asked for password, but the input is hidden -- you won't see any visual feedback (**** when typing) just type the password and click enter.
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Same here but on win10.
H20.5 works fine btw
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H21 has increased its processor requirements on Windows/Linux. Maybe you're running into that?
https://www.sidefx.com/forum/topic/100529/ [www.sidefx.com]
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JuhaT
Hi,

I got excited and installed latest Houdini for my Mac (Sequoia 15.6), but after splash screen I only get message saying if I want to report crash. Anyone else getting similar issue?

Hi,

I've just installed 21.440 on an m3 max MacBook - admittedly running Sonoma 14.6.1 - and it appears to work ok.
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